Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Time and Work Work Efficiency
15 boys can complete a work in 10 days and 12 girls can complete the same work in 15 days. If all 15 boys and 12 girls work together, in how many days, will the work get completed?
1
6
2
8
3
4
4
More than one of the above
5
None of the above